import { Token } from './Token';
import { Node, LoopBehaviour } from '../elements/';
declare class Loop {
    id: any;
    node: any;
    ownerToken: any;
    definition: LoopBehaviour;
    sequence: any;
    dataPath: any;
    _items: any[];
    completed: number;
    isSequential(): any;
    isStandard(): boolean;
    constructor(node: Node, token: Token, dataObject?: any);
    save(): {
        id: any;
        nodeId: any;
        ownerTokenId: any;
        dataPath: any;
        items: any[];
        endFlag: boolean;
        completed: number;
        sequence: any;
    };
    endFlag: boolean;
    end(): void;
    static load(execution: any, dataObject: any): Loop;
    getKeyName(): string;
    getItems(): Promise<any[]>;
    isDone(): Promise<boolean>;
    getNext(): Promise<any>;
    /**
     *
     * @param token
     *
     *  is called before Node execute and before an item is created
     *
     */
    static checkStart(token: any): Promise<boolean>;
    static cancel(fromItem: any): Promise<void>;
    /**
     *
     * is called just before moving to next item in the flow
     *
     *  checks if there is more items to be executed in the loop
     *  if more items are needed:
     *      execute
     *      return false
     *  returns true only if no loop for the token
     *
     * @param token
     * @returns
     */
    static checkNext(token: Token): Promise<boolean>;
}
export { Loop };